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Whole Body Vibration Improves Spatial Memory, Anxiety-Like Behavior, and Motor Performance in Aged Male and Female
Tamás Oroszi1,2, Eva Geerts1, Sietse F de Boer1
1Department of Neurobiology, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, Netherlands.
Frontiers in Aging Neuroscience
|February 7, 2022
Summary
Whole body vibration (WBV) improved spatial memory, reduced anxiety, and enhanced motor performance in aged rats. This passive exercise alternative shows promise for mitigating age-related functional decline when active physical exercise is not feasible.
Area of Science:
- Gerontology
- Neuroscience
- Exercise Physiology
Background:
- Aging leads to functional decline in motor and cognitive domains.
- Physical exercise (PE) mitigates age-related decline, but its application in aged populations can be limited.
- Whole body vibration (WBV) offers a passive alternative to PE, potentially mimicking its benefits.
Purpose of the Study:
- To investigate the effects of a 5-week WBV intervention on aged rats.
- To assess impacts on memory, anxiety-related behavior, and motor performance.
- To explore WBV as an alternative to PE for age-related functional decline.
Main Methods:
- 18-month-old male and female Wistar rats (N=28) were divided into vibration and pseudo-vibration groups.
- A 5-week low-intensity WBV protocol (30 Hz, 50-200 μm amplitude) was applied.
- Cognitive (object recognition, spatial memory) and motor (grip strength, balance) tests were conducted post-intervention.
Main Results:
- WBV reduced anxiety levels and increased exploratory behavior (rearing) in aged rats.
- Spatial memory significantly improved with WBV treatment; object memory remained unaffected.
- Motor performance, including grip strength and coordination, showed significant improvement after WBV.
Conclusions:
- WBV demonstrates comparable beneficial effects to PE on age-related emotional, cognitive, and motor decline.
- WBV is a viable alternative to active PE, especially for individuals unable to participate in physical exercise.
- Findings support WBV as a potential intervention for mitigating functional decline in aging populations.
